Method _setTooltipClass

src/material/tooltip/tooltip.ts:716–724

Updates the tooltip class

(
    tooltipClass: string | string[] | Set<string> | {[key: string]: unknown},
  )

  /** Updates the tooltip class */
  private _setTooltipClass(
    tooltipClass: string | string[] | Set<string> | {[key: string]: unknown},
  ) {
    if (this._tooltipInstance) {
      this._tooltipInstance.tooltipClass =
        tooltipClass instanceof Set ? Array.from(tooltipClass) : tooltipClass;
      this._tooltipInstance._markForCheck();
    }
  }

  /** Inverts an overlay position. */
  private _invertPosition(x: HorizontalConnectionPos, y: VerticalConnectionPos) {